The nearest Kyle Edmund has come to Novak Djokovic before now was when, as a teenager, he once warmed him up before a big match at Wimbledon.

Now the 21 year-old from Yorkshire will put himself through about the toughest test in any sport when he meets him on Friday in the Miami Open second round.

Edmund earned the privilege by coming through a tense opener that saw him defeat world No 55 Jiri Vesely 6-4 6-7 7-6. Heather Watson, reunited with former coach Diego Veronelli, joined him in the second round.

Kyle Edmund celebrates after coming through a mammoth clash against Jiri Vesely in Miami

The British Davis Cup star now faces world No 1 Novak Djokovic in the second round of the Miami Open

British No 3 Edmund has lost a few close ones this year, but put it right by clinching the sudden death tiebreak 8-6 to set up what will be the biggest match of his career.

'It is going to be a great test of where my game is at,' said Edmund.

'I played Tomas Berdych in Doha but this is something different. I'm not going to go out there trying to win three games per set, that's not a positive attitude because you are accepting defeat. I will be able to give it everything because there is no pressure on me but it's one thing saying that and another doing it. He does not have a lot of weaknesses.

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'I will probably try and speak to Andy (Murray) about him because obviously he has played him so many times. '

Watson's year is picking up and she is heading back towards the top fifty after winning the Monterrey Open in Mexico earlier this month.

She was a surprisingly easy 6-1, 6-0 winner over another Czech, Petra Cetkovska, with a familiar face in her coaching box.

The highly-rated 21-year-old had to dig deep to beat the Czech in a two-and-a-half-hour clash

The British No 2 split with Veronelli last year because he was struggling to balance the job with his young family in Argentina, and she began the season with Judy Murray temporarily in her corner.

But she has now come to an arrangement with him whereby he will spend between ten and fifteen weeks on the road with her, while for the rest of the time she will work with Florida-based Pat Harrison, father of American players Ryan and Christian.

'It works out better for both of us (Diego) this way,' said Watson, who today faces unpredictable American Sloane Stephens in the second round. 'He can spend less time on the road, I get the best of him and I also get to work with Pat. I am very happy with that situation. '

Heather Watson came through her opening match against Petra Cetkovska for the loss of just one game